Questions tagged [gravity]
Gravity is an attractive force that affects and is affected by all mass and - in general relativity - energy, pressure, and stress. Prefer newtonian-gravity or general-relativity if sensible.
12 questions from the last 30 days
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Interaction theory - an rule based unified theory. Can you help verify this theory [closed]
Summary:
This paper proposes "Interaction Theory," a framework that attempts to replace continuous field theories (Maxwell’s equations and General Relativity) with a microscopic substrate of ...
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Can the electron beat the photon in this race?
I have two possible scenarios and I wonder whether the electron and arrive before the photon in either of them.
Scenario 1: There is an emitter at A, and a reciever at B. Let the midpooint of AB be C.
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What would someone surrounded by a collapsing shell observe?
Inside of a shell space time is flat, but you do get time dilation relative to distant observers. As the shell gets smaller, time dilation gets stronger.
So does and observer inside of a collapsing ...
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Why I am not expanding? [duplicate]
We know universe is expanding and space is also expanding.
When why we dont feel the space around us and ourself expanding or stretching .even an big object
Does it negligible?
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Gravity at Initial Universe Creation Point $t_0$
Did gravity exist at our universes' $t_0$ (initial singularity)? Or, did gravity only exist after Mass was established with the creation of the Higgs Boson?
What period of time was there between $t_0$ ...
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Gravity, black holes and and the movie Interstellar [closed]
OKay, I know hollywood just be hollywooding science fiction movies. However, to my understanding the movie Interstellar had a physicist Kip Thorne who informed them on some aspects in astrophysics. ...